T-Mobile set-top box surfaces on FCC, 'Un-carrier' TV service can't be far behindLate last year, T-Mobile announced its intentions to "uncarrier" television service, with its purchase of Layer3, an online TV provider. The first fruits of that acquisition have just reared their head at the FCC in the form of a new T-Mobile-branded set-top box.FCC filings don't include a whole lot of information, but we do know based on the data provided that it features 2.4/5GHz Wi-Fi and Bluetooth (BLE, based on the description included in one of the internal images). Read MoreT-Mobile set...